{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Telephones and telegraphs and municipal electric fire-alarm and police patrol signaling systems; 1912","author_name":"United States. Bureau of the Census","thumbnail_url":"https://www.ebooknetworking.net/books/113/088/big1130889068.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1130889068.html\">Telephones and telegraphs and municipal electric fire-alarm and police patrol signaling systems; 1912</a>","width":400,"height":300}